Primary consumers (such as grazers and browsers) of the biological community will put pressure on the primary producers (these are plants) since the primary producers have limited resources (water) to reproduce due to the drought. The primary producers hence become scarce and cause the primary consumers to compete for limited resources. This causes the primary producers to reduce in population. Reduction in their population causes limited resources for secondary consumers and this cascades up the food web to tertiary consumers.

6 0

3 years ago

Consider the mRNA wheel. mc022-1.jpg Which amino acid is coded for by the mRNA codon UAA? start codon stop codon Leu Asn

Temka [501]

Attached is an example of a mRNA wheel.

The codon UAA codes a stop codon. The mRNA wheel is read by starting to choose from the four letters at the centre the one that is the first in the codon. Then, on that quarter of the circle, choose from the four letters, the second in the codon. Repeat again the process for the 1/16 part you chose previously choosing now the last letter in the codon. You are now able to identify what is coded by the mRNA codon.

3 0

4 years ago

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